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#!/bin/sh
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
fstab_files()
{
echo /etc/fstab
if [ -d /etc/fstab.d ]; then
ls -1 /etc/fstab.d | grep '\.fstab$' | sed -e 's;^;/etc/fstab.d/;'
fi
}
# Find a specific fstab entry
# $1=mountpoint
# $2=fstype (optional)
_read_fstab_entry () {
# Not found by default.
echo "MNT_FSNAME="
echo "MNT_DIR="
echo "MNT_TYPE="
fstab_files | while read file; do
if [ -f "$file" ]; then
while read MNT_FSNAME MNT_DIR MNT_TYPE MNT_OPTS MNT_FREQ MNT_PASS MNT_JUNK; do
case "$MNT_FSNAME" in
""|\#*)
continue;
;;
esac
if [ "$MNT_DIR" = "$1" ]; then
if [ -n "$2" ]; then
[ "$MNT_TYPE" = "$2" ] || continue;
fi
echo "MNT_FSNAME=$MNT_FSNAME"
echo "MNT_DIR=$MNT_DIR"
echo "MNT_TYPE=$MNT_TYPE"
echo "MNT_PASS=$MNT_PASS"
break 2
fi
MNT_DIR=""
done < "$file"
fi
done
}
# Find a specific fstab entry and print its type (if found, and pass != 0)
# $1=mountpoint
get_fsck_type_fstab () {
eval "$(_read_fstab_entry "$1")"
# Not found by default.
if [ "$1" = "$MNT_DIR" ] && [ "$MNT_PASS" != 0 ]; then
case "$MNT_TYPE" in
auto)
if command -v blkid >/dev/null 2>&1 ; then
MNT_FSNAME=$(resolve_device "$MNT_FSNAME")
MNT_TYPE=$(blkid -o value -s TYPE "${MNT_FSNAME}")
fi
if [ -z "${MNT_TYPE}" ]; then
MNT_TYPE="auto"
fi
echo "$MNT_TYPE"
;;
*)
echo "$MNT_TYPE"
;;
esac
fi
}
get_fsck_types() {
get_fsck_type_fstab /
get_fsck_type_fstab /usr
}
case $1 in
prereqs)
prereqs
exit 0
;;
esac
if [ ! -x /sbin/fsck ]; then
exit 0
fi
. /usr/share/initramfs-tools/scripts/functions
. /usr/share/initramfs-tools/hook-functions
fsck_types="$(get_fsck_types | sort | uniq)"
if [ -z "$fsck_types" ]; then
exit 0
fi
copy_exec /sbin/fsck
copy_exec /sbin/logsave
# e2fsck may fail or warn if the system time is not yet correct, which
# will happen if the RTC driver is modular or the RTC is set to local
# time. Disable this behaviour. (No other fsck does this, apparently.)
mkdir -p "${DESTDIR}/etc"
cat >"${DESTDIR}/etc/e2fsck.conf" <<EOF
[options]
broken_system_clock=1
EOF
for type in $fsck_types; do
if [ "$type" = 'auto' ] ; then
echo "Warning: couldn't identify filesystem type for fsck hook, ignoring."
continue
fi
if prog="$(command -v fsck.${type})"; then
copy_exec "$prog"
else
echo "Warning: /sbin/fsck.${type} doesn't exist, can't install to initramfs, ignoring."
fi
done